25265526 has 48 divisors (see below), whose sum is σ = 59837232. Its totient is φ = 7064640.

The previous prime is 25265521. The next prime is 25265549. The reversal of 25265526 is 62556252.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25265521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8100 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (1246609).

Almost surely, 2^25265526 is an apocalyptic number.

25265526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25265526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29918616).

25265526 is an abundant number, since it is smaller than the sum of its proper divisors (34571706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25265526 is a wasteful number, since it uses less digits than its factorization.

25265526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2706 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 25265526 is about 5026.4824678894. The cubic root of 25265526 is about 293.4333339603.

The spelling of 25265526 in words is "twenty-five million, two hundred sixty-five thousand, five hundred twenty-six".